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Power Systems

Power Systems May 1, 1998

Battery serves UPS applications

Sprinter line of valve-regulated lead-acid batteries are used for high-rate uninterruptible power supply (UPS) applications. The batteries offer a high burst of energy for a short time when maintaining power is critical.

By Staff
Power Systems May 1, 1998

Valve design offers easy field conversion

Valve series offers simplicity and high sanitary performance, and is easy to assemble, disassemble, and convert in the field. The valve can be upgraded easily to proximity or micro switch position sensing.

By Staff
Power Systems April 1, 1998

Ensuring motor/drive compatibility to increase HVAC system reliability

When the plant HVAC/R system shuts down because a motor fails, more than simple replacement may be needed to get the system up and running again.

By Don Shaw
Power Systems April 1, 1998

Rotary UPS

An 8-p brochure explains a line of UPS systems based upon rotational energy storage. Basic flywheel-enhanced ride-through MG sets to advanced dynamic systems with diesel backup are discussed and illustrated. International Computer Power www.rotoups.com

By Staff
Power Systems March 1, 1998

Electric power seminars

A 12-p brochure describes five electric power system seminars and workshops that range from 1-2 1/2 days.

By Staff
Power Systems March 1, 1998

Selecting Quick-Connect Couplings For Compressed Air Service

Most manufacturing plants using compressed air apply quick-connect couplings. Proper selection and sizing of these inexpensive, ubiquitous devices are usually not given the consideration they deserve.

By Ed Kent
Power Systems March 1, 1998

Conference Prepares Industry For The 21st Century

Over 50 application and technical programs, plus several workshops, are designed to provide attendees with the information, technology, and skills needed to integrate new products and ideas into their operations in order to meet the challenges of the 21st century. The following listings provide a brief overview of the key technical sessions offered during the four-day conference. Monday, March 16 8:00 a.m. – 9:00 a.m. How To Design an Optimum Worldwide Supply Chain Speaker: Paul Bender, Bender Consulting Abstract: This strategy relies on symbiotic relationships among all the partners in the global supply chain, which cuts costs and maximizes profitability and can make the difference between tomorrow’s winners and losers.

By Staff
Power Systems March 1, 1998

Uncommon side: Unfriendly times at UPS — part II

Part I of this case was presented in the October 1997 issue of Plant Engineering. Our UPS case raises a number of questions.

By Raymond Dreyfack
Power Systems March 1, 1998

Using Control Valves To Optimize Cooling Water System Efficiency

The expense of treating water for use in cooling towers, boilers, and other plant applications is rapidly increasing.

By Edmond P. Ilg
Power Systems February 1, 1998

What You Can’t See Can Hurt You — How To Reduce Risk In Confined Spaces

Confined spaces are an exception to the rule that you should never assume anything in life. In this case, always assume the worst -- that the space contains an unseen, unexpected hazard.

By Stephen Bayer, Product Group Manager, Portable Instruments, MSA, Pittsburgh, PA; and Stephen Bayer; Alfred W. Keiss